bug#40573: 27.0.90; flymake-mode broken in scratch buffer

[Eli Zaretskii <eliz@gnu.org>]

> From: Juri Linkov <juri@linkov.net>
> Cc: joaotavora@gmail.com,  40573@debbugs.gnu.org,  monnier@iro.umontreal.ca,
>   dgutov@yandex.ru
> Date: Tue, 14 Apr 2020 02:17:11 +0300
> 
> These files need font-locking from emacs-lisp-mode for viewing, and other
> features of emacs-lisp-mode for editing: indentation, commenting, etc.
> i.e. everything from emacs-lisp-mode except code evaluation.  This is
> one difference between emacs-lisp-data-mode and emacs-lisp-mode.
> 
> Another difference is that distinction between dynamic/lexical binding
> makes no sense for ELisp data files.  It's wrong to use "ELisp/d" as
> a mode name for ELisp data files where "/d" indicates dynamic binding.

What do you propose to show as the mode-lighter instead?

> http://git.savannah.nongnu.org/cgit/ee.git/tree/ee-datafile.el
> currently assigns emacs-lisp-mode:
> 
>   (add-to-list 'auto-mode-alist '("\\.ee\\'" . emacs-lisp-mode))
> 
> but could use emacs-lisp-data-mode instead:
> 
>   (add-to-list 'auto-mode-alist '("\\.ee\\'" . emacs-lisp-data-mode))
> 
> There are many other examples of ELisp data files.  One is already
> mentioned .dir-locals.el that needs editing features from
> emacs-lisp-mode (indentation, commenting, ...) as well,
> but doesn't need the dynamic/lexical distinction.

How would you propose to identify these files for turning on this
special mode?  They don't seem to have a clear-cut set of extensions
and/or file names.

Thanks for the other details, I think this is very useful.